Electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book



FIG. 1 is a front elevational view of an electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a front elevational view thereof with the cover closed; and,

FIG. 9 is a right side elevational view thereof with the cover closed. 

The ornamental design for an electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book, as shown and described. 